Advanced high-strength steels for automotive applications: arc and laser welding process, properties, and challenges

AK Perka, M John, UB Kuruveri, PL Menezes - Metals, 2022 - mdpi.com
In recent years, the demand for advanced high-strength steel (AHSS) has increased to
improve the durability and service life of steel structures. The development of these steels …

In-situ observation of microcrack initiation and damage nucleation modes on the HAZ of laser-welded DP1180 joint

J Xue, W Guo, J Yang, M **a, G Zhao, C Tan… - Journal of Materials …, 2023 - Elsevier
In-situ SEM can intuitively observe the changes in microstructure and microcrack initiation
during the deformation process of the specimen. In this paper, the microstructural evolution …

Identifying defects and problems in laser cladding and suggestions of some remedies for the same

B Haldar, P Saha - Materials Today: Proceedings, 2018 - Elsevier
The cladding method is a technology of bulk coating deposition. It finds wide applications for
providing laser coating of resistance to abrasion, erosion, corrosion, sliding wear, and heat …

Effects of heat input on the mechanical properties of butt-welded high and ultra-high strength steels

M Amraei, A Ahola, S Afkhami, T Björk… - Engineering …, 2019 - Elsevier
In this study, the mechanical properties of butt-welded thin plates made of S700, S960 and
S1100 steels under various heat inputs (HI) are investigated. The gas metal arc welding …

Numerical simulation and experimental validation of residual stress and welding distortion induced by laser-based welding processes of thin structural steel plates in …

ED Derakhshan, N Yazdian, B Craft, S Smith… - Optics & Laser …, 2018 - Elsevier
Thin plates are extensively used in automotive, shipbuilding, and railway industries. Welding
technology is the main assembling method to manufacture thin plate structures because of …

Mechanical properties and microstructural evaluation of the heat-affected zone in ultra-high strength steels

M Amraei, S Afkhami, V Javaheri, J Larkiola… - Thin-Walled …, 2020 - Elsevier
This paper presents an investigation into the mechanical properties of ultra-high strength
steels (UHSSs)(with nominal yield stress of 960 and 1100 MPa) after welding. Seven weld …

Microstructure and mechanical properties of laser welded S960 high strength steel

W Guo, D Crowther, JA Francis, A Thompson, Z Liu… - Materials & Design, 2015 - Elsevier
S960 steel is an advanced low carbon and low alloy ultra-high strength steel (with a
minimum yield strength of 960 MPa) developed by Tata Steel. At present, there is a scarcity …

Comparison of microstructure and mechanical properties of ultra-narrow gap laser and gas-metal-arc welded S960 high strength steel

W Guo, L Li, S Dong, D Crowther… - Optics and Lasers in …, 2017 - Elsevier
The microstructural characteristics and mechanical properties, including micro-hardness,
tensile properties, three-point bending properties and Charpy impact toughness at different …

Microstructure and fracture behavior of laser welded joints of DP steels with different heat inputs

XN Wang, Q Sun, Z Zheng, HS Di - Materials Science and Engineering: A, 2017 - Elsevier
Abstract 800 MPa strength cold rolled annealed DP steels was welded by different heat
inputs (6–66 J/mm) using 6 kW fiber laser, to study the microstructure and fracture behavior …

Effect of energy input on the microstructure and properties of butt joints in DP1000 steel laser welding

J Wang, L Yang, M Sun, T Liu, H Li - Materials & Design, 2016 - Elsevier
This paper investigated the effect of energy input on the microstructure and properties of
DP1000 steel butt joint using laser welding. As the energy input decreased, the weld bead …